56555152425547 has 4 divisors (see below), whose sum is σ = 59881926097656. Its totient is φ = 53228378753440.

The previous prime is 56555152425529. The next prime is 56555152425557. The reversal of 56555152425547 is 74552425155565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56555152425547 - 2³⁵ = 56520792687179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56555152425557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663386836029 + ... + 1663386836062.

It is an arithmetic number, because the mean of its divisors is an integer number (14970481524414).

Almost surely, 2^{56555152425547} is an apocalyptic number.

56555152425547 is a deficient number, since it is larger than the sum of its proper divisors (3326773672109).

56555152425547 is a wasteful number, since it uses less digits than its factorization.

56555152425547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326773672108.

The product of its digits is 210000000, while the sum is 61.

The spelling of 56555152425547 in words is "fifty-six trillion, five hundred fifty-five billion, one hundred fifty-two million, four hundred twenty-five thousand, five hundred forty-seven".